# Isosceles triangle 9

Given an isosceles triangle ABC where AB= AC. The perimeter is 64cm and altitude is 24cm. Find the area of the isosceles triangle

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**Steve**

No, your solution starts with h=25cm, but the question says that h=24cm.

So, looking at one-half of the isosceles triangle, x

So, looking at one-half of the isosceles triangle, x

^{2}+ 24^{2}= (32-x)^{2}solves to x=7cm, which gives the area of the isosceles triangle as 7x24 = 168cm^{2}Tips to related online calculators

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Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

See also our trigonometric triangle calculator.

Pythagorean theorem is the base for the right triangle calculator.

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